CONTENTS INTRODUCTION:THE EYEBALL
BULBAR FASCIA
TYPES OF EXTRAOCULAR MUSCLES
ORIGIN AND INSERTION OF VARIOUS MUSCLES
UNIOCULAR MOVEMENT
MOTION OF AN EYE
MUSCLES AND MOVEMENTS
CLINICAL ASPECT
TYPES OF EXTAOCULAR
MUSCLESVOLUNTARY
4 RECTI
SUPERIOR
INFERIOR
MEDIAL
LATERAL
2 OBLIQUE
SUPERIOR
INFERIOR
LEVATOR PALPEBRAE
SUPERIORIS
INVOLUNTARY
SUPERIOR TARSAL
INFERIOR TARSAL
ORBITALIS
1.inferior oblique medial rectus
2. both superior rectus and
inferior oblique on both sides
3.superior rectus inferior
oblique
7.superior oblique inferior rectus
8.both superior oblique and
inferior rectus on both sides
9. inferior rectus superior oblique
NYSTAGMUS
Regular and rhythmic to and fro involuntary
oscillatory movements of the eye
Occurs due to disturbance of the factors
responsible for maintaining normal ocular
posture.These include disorders of sensory
visual pathways,semicircular canals,vestibular
apparatus,mid brain and cerebellum
SQUINT
Medical terminology: strabismus
Condition where the eyes do not look in the same direction
MAY BE CONCOMITANT OR PARALYTIC
AMOUNT OF
DEVIATION IN THE
SQUINTING EYES
REMAINS CONSTANT IN
ALL DIRECTIONS OF
GAZE
THERE IS NO
ASSOCIATED LIM
ITATIONS OF THE
OCULAR MOVEMENTS
IT REFERS TO
OCULAR DEVIATION
RESULTING FROM
CONMPLETE AND
INCOMPLETE
PARALYSIS OF ONE
OR MORE
EXTRAOCULAR
MUSCLE